What is a brake caliper brush?

 
     
     
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A brake caliper brush is a hand tool used in the automotive industry.

 

They are used on the disc and drum brakes found on vehicles. 

 
     
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A disc brake works when the brake pads' linings press against the disc, causing friction which slows down the vehicle. 

 
     
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Brake pads are a pair of blocks that have friction material (lining) attached to one side.

 
     
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Drum brakes work when the brake shoes press against the inside of the drum.

 

The shoes pressing against the drum cause friction, making the vehicle to slow down.

 
     
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The drum is the cylindrical cover that fits over and protects the components of the brake.

 
     
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Brake shoes are a pair of curved blocks that have friction material on their outside faces.

 
     
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Brake calipers are the most common part of a disc brake that these brushes are used on.

 
     
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The brake caliper surrounds the brake disc similar to a clamp. Inside the caliper is a pair of brake pads.

 

When you step on the brake pedal the caliper automatically pushes each brake pad against the brake disc, causing the vehicle to slow down.

 
     
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The most common parts of a drum brake that these brushes are used on are the brake shoes and the outside of the drum.

 

These parts are often cleaned using a caliper brush because they are easy to access, unlike the inside of the drum brake which usually requires a much smaller brush to clean.

 
     
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The inside of a drum brake is commonly brushed using an old toothbrush and some brake cleaning spray.  

 

You can use a brake caliper brush to clean a drum brake but it may be difficult as this type of brake has areas that are hard to reach.

 
     
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Vehicle brakes can become clogged with deposits of brake dust, dirt and rust.

 
     
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Brake caliper brushes are useful in the process of changing brake parts.

 

The brushes remove the dust, dirt and rust from different brake parts, helping to keep them in working order and easing the replacement of parts.

 
     
 Brake caliper brush, brakes, calipers, brushes, automotive, industry, DIY, cleaning, wonkee donkee. 

Brake caliper brushes are suitable for professionals and DIYers.

 
     
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